InsiderTrades

Form 4 for WST West Pharmaceutical Services

Accepted 2026-02-23 00:00:00 ET · period of report 2026-02-20 · accession 0000105770-26-000023 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-23 2026-02-20 WST Winters Chad VP, CAO M - OptEx — +89.33 1,553 +6% —
D 2026-02-23 2026-02-20 WST Winters Chad VP, CAO F - Tax $241.12 -30.18 1,523 -2% -$7,277
D 2026-02-23 2026-02-20 WST Winters Chad VP, CAO M - OptEx $0.00 -89.33 267.97 -25% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-20 M A 89.33 — 1,552.99 D — — (F1) Restricted stock units convert into common stock on a one-for-one basis.
2 Common Common Stock 2026-02-20 F D 30.18 $241.12 1,522.81 D — —
3 Derivative Rst. Stock Unit 2026-02-20 M D 89.33 $0.00 267.97 D — · — to — 89.33 Common Stock (F1) Restricted stock units convert into common stock on a one-for-one basis. (F2) On February 18, 2025, the reporting person was granted 356 restricted stock units, vesting in four equal annual installments (plus dividend equivalents) on February 20th each year.